Huggies Pull-Ups Learning Designs - Boys I'm a big boy, now! For a diaper created to simplify the potty training process for your child, the Huggies Pull-Ups Learning Designs is perfect, sliding up and down just like big kid underwear. With designs that fade when wet, the Huggies help him learn to stay dry, and leak guards keep accidents from becoming emergencies. If your boy needs help, there are easy open sides for you just in case.